[MIPS] Implement flush_anon_page().
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 31819c5..4e8f1b6 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -3,7 +3,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1994 - 2003 by Ralf Baechle
+ * Copyright (C) 1994 - 2003, 07 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2007 MIPS Technologies, Inc.
*/
#include <linux/init.h>
#include <linux/kernel.h>
@@ -88,6 +89,19 @@
EXPORT_SYMBOL(__flush_dcache_page);
+void __flush_anon_page(struct page *page, unsigned long vmaddr)
+{
+ if (pages_do_alias((unsigned long)page_address(page), vmaddr)) {
+ void *kaddr;
+
+ kaddr = kmap_coherent(page, vmaddr);
+ flush_data_cache_page((unsigned long)kaddr);
+ kunmap_coherent(kaddr);
+ }
+}
+
+EXPORT_SYMBOL(__flush_anon_page);
+
void __update_cache(struct vm_area_struct *vma, unsigned long address,
pte_t pte)
{